https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123743
Rate limit · GitHub
body {
background-color: #f6f8fa;
color: #24292e;
font-family: -apple-system,BlinkMacSystemFont,Segoe
UI,Helvetica,Arial,sans-ser
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123730
Rate limit · GitHub
body {
background-color: #f6f8fa;
color: #24292e;
font-family: -apple-system,BlinkMacSystemFont,Segoe
UI,Helvetica,Arial,sans-ser
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123680
>From 0f580567169ffbf1546a5389ab4b9f7d1fc07c71 Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Thu, 2 Jan 2025 20:58:56 +0800
Subject: [PATCH 1/6] Convert TLS IE to LE in the normal or medium code model.
Origina
@@ -1375,14 +1375,20 @@ unsigned RelocationScanner::handleTlsRelocation(RelExpr
expr, RelType type,
return 1;
}
+ // LoongArch support IE to LE optimization in non-extreme code model.
+ bool execOptimizeInLoongArch =
+ ctx.arg.emachine == EM_LOONGARCH &&
+ (
ylzsx wrote:
@MaskRay @xen0n Could you help me review the code?
https://github.com/llvm/llvm-project/pull/123680
___
llvm-branch-commits mailing list
llvm-branch-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commit
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123680
>From 0f580567169ffbf1546a5389ab4b9f7d1fc07c71 Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Thu, 2 Jan 2025 20:58:56 +0800
Subject: [PATCH 1/8] Convert TLS IE to LE in the normal or medium code model.
Origina
@@ -1002,6 +1008,87 @@ static bool relax(Ctx &ctx, InputSection &sec) {
return changed;
}
+// Convert TLS IE to LE in the normal or medium code model.
+// Original code sequence:
+// * pcalau12i $a0, %ie_pc_hi20(sym)
+// * ld.d $a0, $a0, %ie_pc_lo12(sym)
+//
+// The c
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123680
>From 0f580567169ffbf1546a5389ab4b9f7d1fc07c71 Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Thu, 2 Jan 2025 20:58:56 +0800
Subject: [PATCH 1/5] Convert TLS IE to LE in the normal or medium code model.
Origina
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123600
>From 7993434e2973437b010034051003f8c03d8eff71 Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Fri, 27 Dec 2024 19:29:32 +0800
Subject: [PATCH 1/8] Relax TLS LE/GD/LD.
In local-exec form, the code sequence is co
@@ -1015,8 +1063,20 @@ void LoongArch::finalizeRelax(int passes) const {
r.expr = r.sym->hasFlag(NEEDS_PLT) ? R_PLT_PC : R_PC;
break;
case R_LARCH_B26:
+ case R_LARCH_TLS_LE_LO12_R:
+skip = 4;
+write32le(p, aux.
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123576
>From f1f995b5fc8e90126b5825d52b9c75cd45d27cfc Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Thu, 26 Dec 2024 11:32:33 +0800
Subject: [PATCH 1/6] Relax call36/tail36.
Instructions with relocation `R_LARCH_CALL
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123600
>From 7993434e2973437b010034051003f8c03d8eff71 Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Fri, 27 Dec 2024 19:29:32 +0800
Subject: [PATCH 1/7] Relax TLS LE/GD/LD.
In local-exec form, the code sequence is co
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123600
>From 7993434e2973437b010034051003f8c03d8eff71 Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Fri, 27 Dec 2024 19:29:32 +0800
Subject: [PATCH 1/6] Relax TLS LE/GD/LD.
In local-exec form, the code sequence is co
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123576
>From f1f995b5fc8e90126b5825d52b9c75cd45d27cfc Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Thu, 26 Dec 2024 11:32:33 +0800
Subject: [PATCH 1/5] Relax call36/tail36.
Instructions with relocation `R_LARCH_CALL
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123576
>From f1f995b5fc8e90126b5825d52b9c75cd45d27cfc Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Thu, 26 Dec 2024 11:32:33 +0800
Subject: [PATCH 1/5] Relax call36/tail36.
Instructions with relocation `R_LARCH_CALL
https://github.com/ylzsx edited https://github.com/llvm/llvm-project/pull/123677
___
llvm-branch-commits mailing list
llvm-branch-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
https://github.com/ylzsx edited https://github.com/llvm/llvm-project/pull/123743
___
llvm-branch-commits mailing list
llvm-branch-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
https://github.com/ylzsx edited https://github.com/llvm/llvm-project/pull/123600
___
llvm-branch-commits mailing list
llvm-branch-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
https://github.com/ylzsx edited https://github.com/llvm/llvm-project/pull/123680
___
llvm-branch-commits mailing list
llvm-branch-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
https://github.com/ylzsx edited https://github.com/llvm/llvm-project/pull/123702
___
llvm-branch-commits mailing list
llvm-branch-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
https://github.com/ylzsx edited https://github.com/llvm/llvm-project/pull/123715
___
llvm-branch-commits mailing list
llvm-branch-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
https://github.com/ylzsx edited https://github.com/llvm/llvm-project/pull/123730
___
llvm-branch-commits mailing list
llvm-branch-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
@@ -1150,6 +1152,58 @@ void LoongArch::tlsdescToLe(uint8_t *loc, const
Relocation &rel,
}
}
+// Try GOT indirection to PC relative optimization when relaxation is enabled.
+// From:
+// * pcalau12i $a0, %got_pc_hi20(sym_got)
+// * ld.w/d$a0, $a0, %got_pc_lo12(sym_got)
@@ -1150,6 +1152,58 @@ void LoongArch::tlsdescToLe(uint8_t *loc, const
Relocation &rel,
}
}
+// Try GOT indirection to PC relative optimization when relaxation is enabled.
+// From:
+// * pcalau12i $a0, %got_pc_hi20(sym_got)
+// * ld.w/d$a0, $a0, %got_pc_lo12(sym_got)
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123715
>From dff3031fdb2ca3755b73e3b81e56f8008a409470 Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Fri, 3 Jan 2025 14:29:17 +0800
Subject: [PATCH 1/7] [lld][LoongArch] Implement TLSDESC GD/LD to IE/LE.
Support TLSDE
ylzsx wrote:
I have submitted all the patches related to relaxation in lld for LoongArch.
Below is a list for peer review:
* users/ylzsx/r-got-to-pcrel
│ https://github.com/llvm/llvm-project/pull/123743
│
* users/ylzsx/r-tlsdesc-to-iele-relax
│ https://github.com/llvm/llvm-project/pull
https://github.com/ylzsx created
https://github.com/llvm/llvm-project/pull/123743
In LoongArch, this optimization is only supported when relaxation is enabled.
From:
* pcalau12i $a0, %got_pc_hi20(sym_got)
* ld.w/d $a0, $a0, %got_pc_lo12(sym_got)
To:
* pcalau12i $a0, %pc_hi20(sym)
* addi.w/d $a0,
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123730
>From 187759562d861034a79cd8c4ee4ab063bba5f4ff Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Sat, 4 Jan 2025 15:03:47 +0800
Subject: [PATCH 1/2] Support relaxation during TLSDESC GD/LD to IE/LE
conversion.
Co
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123715
>From dff3031fdb2ca3755b73e3b81e56f8008a409470 Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Fri, 3 Jan 2025 14:29:17 +0800
Subject: [PATCH 1/6] [lld][LoongArch] Implement TLSDESC GD/LD to IE/LE.
Support TLSDE
https://github.com/ylzsx created
https://github.com/llvm/llvm-project/pull/123730
Complement https://github.com/llvm/llvm-project/pull/123715. When relaxation
enable, remove redundant NOPs.
>From ddb64ee49845b302df8ea50546164cceb87cf288 Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Sat, 4
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123715
>From dff3031fdb2ca3755b73e3b81e56f8008a409470 Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Fri, 3 Jan 2025 14:29:17 +0800
Subject: [PATCH 1/5] [lld][LoongArch] Implement TLSDESC GD/LD to IE/LE.
Support TLSDE
https://github.com/ylzsx created
https://github.com/llvm/llvm-project/pull/123715
Support TLSDESC to initial-exec or local-exec optimizations. Introduce a new
hook RE_LOONGARCH_RELAX_TLS_GD_TO_IE_PAGE_PC and use existing
R_RELAX_TLS_GD_TO_IE_ABS to support TLSDESC => IE, while use existing
R_
https://github.com/ylzsx created
https://github.com/llvm/llvm-project/pull/123702
Complement https://github.com/llvm/llvm-project/pull/123680. When relaxation
enable, remove redundant NOPs.
>From 83d8b7e00b16c97b11f3c19ed45bb70eeae95428 Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Fri, 3
https://github.com/ylzsx ready_for_review
https://github.com/llvm/llvm-project/pull/123680
___
llvm-branch-commits mailing list
llvm-branch-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
https://github.com/ylzsx updated
https://github.com/llvm/llvm-project/pull/123680
>From a39c190e5c8351227178b6e5041bbd97fc6926a9 Mon Sep 17 00:00:00 2001
From: yangzhaoxin
Date: Thu, 2 Jan 2025 20:58:56 +0800
Subject: [PATCH 1/5] Convert TLS IE to LE in the normal or medium code model.
Origina
https://github.com/ylzsx converted_to_draft
https://github.com/llvm/llvm-project/pull/123680
___
llvm-branch-commits mailing list
llvm-branch-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
https://github.com/ylzsx created
https://github.com/llvm/llvm-project/pull/123680
Original code sequence:
* pcalau12i $a0, %ie_pc_hi20(sym)
* ld.d $a0, $a0, %ie_pc_lo12(sym)
The code sequence converted is as follows:
* lu12i.w $a0, %ie_pc_hi20(sym) # le_hi20 != 0, otherwise NOP
* or
https://github.com/ylzsx created
https://github.com/llvm/llvm-project/pull/123677
Relax TLSDESC code sequence.
Original code sequence:
* pcalau12i $a0, %desc_pc_hi20(sym_desc)
* addi.d $a0, $a0, %desc_pc_lo12(sym_desc)
* ld.d $ra, $a0, %desc_ld(sym_desc)
* jirl $ra, $ra
https://github.com/ylzsx created
https://github.com/llvm/llvm-project/pull/123600
In local-exec form, the code sequence is converted as follows:
```
From:
lu12i.w $rd, %le_hi20_r(sym)
R_LARCH_TLS_LE_HI20_R, R_LARCH_RELAX
add.w/d $rd, $rd, $tp, %le_add_r(sym)
R_LARCH_TLS_LE_ADD_R, R_L
https://github.com/ylzsx created
https://github.com/llvm/llvm-project/pull/123576
Instructions with relocation `R_LARCH_CALL36` may be relax as follows:
```
From:
pcaddu18i $dest, %call36(foo)
R_LARCH_CALL36, R_LARCH_RELAX
jirl $r, $dest, 0
To:
b/bl foo # bl if r=$ra, b if r=$zero
@@ -443,6 +443,89 @@ bool LoongArchInstrInfo::isSchedulingBoundary(const
MachineInstr &MI,
break;
}
+ const auto &STI = MF.getSubtarget();
+ if (STI.hasFeature(LoongArch::FeatureRelax)) {
+// When linker relaxation enabled, the following instruction patterns are
+
https://github.com/ylzsx closed https://github.com/llvm/llvm-project/pull/121120
___
llvm-branch-commits mailing list
llvm-branch-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
https://github.com/ylzsx converted_to_draft
https://github.com/llvm/llvm-project/pull/121120
___
llvm-branch-commits mailing list
llvm-branch-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
https://github.com/ylzsx created
https://github.com/llvm/llvm-project/pull/121120
Support TLSDESC to initial-exec or local-exec optimizations. Introduce a new
hook RE_LOONGARCH_RELAX_TLS_GD_TO_IE_PAGE_PC and use existing
R_RELAX_TLS_GD_TO_IE_ABS to support TLSDESC => IE, while use existing
R
44 matches
Mail list logo
